| /********************************************************************** |
| * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| * Bernd Hufmann - Updated for TMF |
| **********************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.views.uml2sd; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| |
| /** |
| * <p> |
| * Informs all registered listeners of graph node selection change in the Frame. |
| * </p> |
| * |
| * @version 1.0 |
| * @author sveyrier |
| */ |
| public class SDWidgetSelectionProvider implements ISelectionProvider { |
| |
| // ------------------------------------------------------------------------ |
| // Attributes |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * The listener list |
| */ |
| private List<ISelectionChangedListener> fListenerList = null; |
| |
| /** |
| * The current selection |
| */ |
| private ISelection fCurrentSelection = null; |
| |
| // ------------------------------------------------------------------------ |
| // Constructor |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Standard constructor |
| */ |
| protected SDWidgetSelectionProvider() { |
| fListenerList = new ArrayList<>(); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Methods |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public void addSelectionChangedListener(ISelectionChangedListener listener) { |
| if (!fListenerList.contains(listener)) { |
| fListenerList.add(listener); |
| } |
| } |
| |
| @Override |
| public void removeSelectionChangedListener(ISelectionChangedListener listener) { |
| fListenerList.remove(listener); |
| } |
| |
| @Override |
| public void setSelection(ISelection selection) { |
| fCurrentSelection = selection; |
| for (int i = 0; i < fListenerList.size(); i++) { |
| ISelectionChangedListener list = fListenerList.get(i); |
| list.selectionChanged(new SelectionChangedEvent(this, fCurrentSelection)); |
| } |
| } |
| |
| @Override |
| public ISelection getSelection() { |
| return fCurrentSelection; |
| } |
| |
| } |